WorksheetsMissouri Biology EOC
Total questions: 15
Worksheet time: 15mins
What are the possible genotypes for this cross?
(Click the picture to see it without the text)
TT = 25% Tt= 50% tt=25%
all tall
TT= 75% tt = 25%
Tt = 100%
An offspring will receive how many alleles from each parent to determine a specific trait?
one
two
three
five
Which of the following is a phenotype?
BB
Bb
bb
Blue eyes
Incomplete dominance means that the traits are
expressed equally
dominant
recessive
blended
One form of a gene is called_______________
DNA
Phenotype
trait
allele
If green is dominant over purple, then what is the genotype for this individual?
Purple
Green
GG
gg
In pea plants, the tall allele is dominant to the short allele. What key would demonstrate this?
Tall = T
Short = S
Tall = T
Short = t
Tall = t
Short = T
Tall = TT
Short = tt
A heterozygous long-tusked elephant is crossed with a homozygous recessive short-tusked elephant. What is the probability of the offspring having short tusks?
0%
25%
50%
75%
Which of the following genotypes is homozygous dominant?
Yy
yY
yy
YY
If you cross a black guinea pig with a white guinea pig and the offspring are gray, what type of dominant trait would that be.
incomplete dominance
codominance
codependant
cooperative
What percent of the offspring would be tan when you cross BbxBb?
75%
25%
50%
100%
In rabbits, black fur (B) is dominant over brown fur (b). If a rabbit has brown fur, what can you conclude about its genotype?
It is BB.
It is Bb
It is brown
It is bb.
Which of the following is an example of a homozygous recessive genotype?
AA
Aa
aa
aA
In a dihybrid cross between two heterozygous individuals (AaBb x AaBb), what is the probability of obtaining an offspring with the genotype Aabb?
1/16
1/8
1/4
3/16
Which process is responsible for the separation of homologous chromosomes during meiosis?
Mitosis
Cytokinesis
Anaphase I
Telophase II
